This document specifies the technical requirements, test methods, inspection rules and signs, packaging, transportation, storage and health and safety of liquid sulfur dioxide. This document applies to liquid sulfur dioxide for industrial use.
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GBZ 2.1 "Occupational Exposure Limits of Hazardous Factors in the Workplace Part 1: Chemical Hazardous Factors" (GBZ 2.1-2019) No. 1 Amendment*, 2022-11-08 Update